CBSE Class 7 Science Sample Paper Set V.Sample Papers are the very important for every student. The sample papers should be practiced to gain extra marks in examinations. The sample papers have been prepared based on summative assessment1 and summative assessment 2 pattern. The sample papers have been prepared based on pattern of last year examinations and as per latest changes in the syllabus. Students, teachers and parents can download all CBSE educational material and very well prepared worksheets from this website. All CBSE educational material is developed by our panel of teachers, have also been submitted by CBSE teachers and students.
Q.1. Fill in the blanks:- (1)
(iii) 100˚C = __________ ˚F.
(iv) The basic unit of speed is __________.
Q.2. Write two properties of image formed by a plane mirror. (1)
Q.3. Answer in one word- (2)
(i) The process involved in the circulation of air through ventilators.
(ii) Device used in vehicles which shows the distance covered.
Q.4. Define: (i) Convergent beam of light. (2)
(ii) Amplitude of a pendulum.
Q.5. Identify the type of motion represented by the following graphs- (2)
Q.6. (i) Define time period of a simple pendulum. (2)
(ii) If a pendulum completes 50 oscillation in 25 seconds. Find its time period.
Q.7. (i) Define uniform motion. (3)
(ii) A body covers a distance of 40 km in 20 minutes. Calculate the speed in km/ h.
Q.8. (i) State the two laws of reflection of light. (3)
(ii) Identify A and B in the following diagram and define them.
Q.9. Give reason - (3)
(i) Why does sea breeze occur during day time?
(ii) Why do we wear light coloured clothes in summers and dark coloured clothes in winters?
Q.10. Medical vans used to transport patients to hospital has words “ ” inscripted on it. Name the phenomenon associated and explain. (3)
Q.11. (i) Plot the distance time graph for the following data. (5)
Time (h) 0 2 4 6 8
Distance (km) 0 3 6 9 12
(ii)With the help of graph, identify the type of motion.
(iii)Calculate the speed of car when time was 4h.
Section- B (CHEMISTRY)
Q.12 Chemical formula of Nitric acid is (1)
Q.13 Which one is not an indicator? (1)
(i) Methyl orange
(iii) Acetic acid
Q.14 Hosiery wool is obtained from which breed of (1)
Q.15 When is „World Water Day‟ celebrated? (1)
(i) 23rd March
(ii) 22nd March
(iii) 22nd May
(iv) 22nd July
Q.16 (i) Why ice cubes float on water? (2)
(ii)Name the chemical constituents of water.
Q.17 Name the two processes which takes place in the water cycle. (2)
Q.18 (i) What is the scientific name of „Mulberry tree‟? (2)
(ii)Draw well labelled diagram for life cycle of silk moth.
Q.19 (i) Name the bacteria responsible for sorter‟s disease. (2)
(ii)What is the removal of hair from sheep called?
(iii)Define selective breeding.
Q.20 (i) Name natural source of litmus. (3)
(ii)Complete the following equation:
Calcium hydroxide + Hydrochloric acid
____________ + ____________ + ____________
(iii)Why does a turmeric stain on a white shirt turn red when washed with a soap?
Q.21 (i) Where does underground water come from? (3)
(ii)Explain two ways which can help in increasing the water table.
Q.22 (i) Why is a sheep dipped in an antiseptic solution soon after shearing? (3)
(ii)Why do animals living in cold region have a thick coat of hair?
(iii)Name the state where following breed of sheep are found.
Q.23 Five solutions have been labelled as A, B, C, D and E. They have been tested with four indicators- methyl orange, phenolphthalein, blue litmus paper and red litmus paper. The observations have been recorded in the following table. Think and answer the questions that follow: (5)
(i) Which solution is a base?
(ii) Which solution is neutral?
(iii) How many acids have been tested?
(iv) What would be the colour of turmeric paper indicator in solution C?
(v) Which of the following solutions can be used for neutralization?
(a) A and B
(b) C and B
(c) C and D
(d) D and E
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